Finding the Third Proportional to 1,140,239 and 2,478,944

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,239 : 2,478,944 = 2,478,944 : x
2. Step 2: Convert to fraction form
   1,140,239/2,478,944 = 2,478,944/x
3. Step 3: Cross multiply
   1,140,239x = 2,478,944 × 2,478,944
4. Step 4: Simplify right side
   1,140,239x = 6,145,163,355,136
5. Step 5: Solve for x
   x = 6,145,163,355,136/1,140,239
6. Step 6: Final answer
   x = 5,389,364.30